{"instruction": "You are an expert in event extraction. Please extract event types and event trigger words from the input that conform to the schema definition. Return an empty list for non-existent events. Please respond in the format of a JSON string.", "schema": ["adverse event", "potential therapeutic event"], "input": "Because of further progression combination treatment of bevacizumab and irinotecan was started and again no liver toxicity was observed."}
{"adverse event": ["observed."], "potential therapeutic event": []}